Last reviewed · How we verify

placebo (unspecified)

Merck Sharp & Dohme LLC · FDA-approved active Small molecule

Placebo produces therapeutic effects through patient expectation and the psychobiological response to receiving treatment, rather than through a pharmacologically active ingredient.

Placebo produces therapeutic effects through patient expectation and the psychobiological response to receiving treatment, rather than through a pharmacologically active ingredient. Used for Used as a control comparator in clinical trials across all therapeutic areas.

At a glance

Generic nameplacebo (unspecified)
SponsorMerck Sharp & Dohme LLC
ModalitySmall molecule
PhaseFDA-approved

Mechanism of action

Placebo effects arise from complex neurobiological mechanisms including expectation, conditioning, and endogenous neurotransmitter release. The therapeutic benefit is real but independent of the chemical properties of an inert substance, and is mediated by the patient's belief in treatment efficacy and contextual factors in the clinical encounter.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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